USN-3288-1: libytnef vulnerabilities

Ubuntu Security Notice USN-3288-1

15th May, 2017

libytnef vulnerabilities

A security issue affects these releases of Ubuntu and its
derivatives:

• Ubuntu 14.04 LTS

Summary

libytnef could be made to crash or run programs as your login if it opened
a specially crafted file.

Software description

• libytnef
  - improved decoder for application/ms-tnef attachments
  
  

Details

It was discovered that libytnef incorrectly handled malformed TNEF streams.
If a user were tricked into opening a specially crafted TNEF attachment, an
attacker could cause a denial of service or possibly execute arbitrary
code.

Update instructions

The problem can be corrected by updating your system to the following
package version:

Ubuntu 14.04 LTS:

To update your system, please follow these instructions:
,

,

,

,

,

,

CVE-2017-6802